Pronunciation: (OO-soor'ē; Russ. OO-sOO'ryi), [key]
a river in E Asia, forming part of the boundary between E Manchuria and the SE Russian Federation in Asia, flowing N to the Amur River. 500 mi. (805 km) long. Also called Wusuli Jiang.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.